Tire tread



FIG. 1 is a right side perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire, the opposite side being substantially the same as that shown;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view of the right side thereof, the opposite side being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary front elevational view thereof.

The broken line showing of the tire sidewall and the peripheral boundary between the tire tread and the sidewall in the drawing is for illutrative purposes only and forms no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 